2196139810 has 16 divisors (see below), whose sum is σ = 4059891576. Its totient is φ = 854713728.

The previous prime is 2196139793. The next prime is 2196139819. The reversal of 2196139810 is 189316912.

It can be written as a sum of positive squares in 4 ways, for example, as 2114436289 + 81703521 = 45983^2 + 9039^2 .

It is a super-2 number, since 2×2196139810² = 9646060130133672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2196139819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967387 + ... + 2968126.

Almost surely, 2^2196139810 is an apocalyptic number.

2196139810 is a deficient number, since it is larger than the sum of its proper divisors (1863751766).

2196139810 is a wasteful number, since it uses less digits than its factorization.

2196139810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935557.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 2196139810 is about 46862.9897680462. The cubic root of 2196139810 is about 1299.8303151306.

The spelling of 2196139810 in words is "two billion, one hundred ninety-six million, one hundred thirty-nine thousand, eight hundred ten".